The development of a construction cost prediction model with improved prediction capacity using the advanced CBR approach. - ChoongWan Koo; TaeHoon Hong; ChangTaek Hyun (Expert Syst. Appl., 2011)

A decision support system for determining the optimal size of a new expressway service area: Focused on the profitability. - ChoongWan Koo; TaeHoon Hong; Jimin Kim (Decis. Support Syst., 2014)

Zoning-Based Vertical Transportation Optimization for Workers at Peak Time in a Skyscraper Construction. - ChoongWan Koo; TaeHoon Hong; Jaeseong Yoon; Kwangbok Jeong (Comput. Aided Civ. Infrastructure Eng., 2016)

A real-time management system for the indoor environmental quality and energy efficiency in a hotel guestroom. - Qingyun Li; ChoongWan Koo; Lin Lu; Jie Han (Int. J. RF Technol. Res. Appl., 2020)

Toward productivity in future construction: mapping knowledge and finding insights for achieving successful offsite construction projects. - Junyoung Jang 003; Seungjun Ahn; Seung Hyun Cha; Kyeongwoon Cho; Choongwan Koo; Tae Wan Kim (J. Comput. Des. Eng., 2021)

Development of a multi-node monitoring system for analyzing plant growth and indoor environment interactions: An empirical study on a plant factory. - Handon Kim; Donggeun Oh; Hyounseung Jang; Choongwan Koo; TaeHoon Hong; Jimin Kim (Comput. Electron. Agric., 2023)

Forecasting personal heat strain under extremely hot environments: Utilizing feature importance in machine learning. - Seungwon Seo; Yujin Choi; Choongwan Koo (Eng. Appl. Artif. Intell., 2024)

Impact of interactive learning elements on personal learning performance in immersive virtual reality for construction safety training. - Seungwon Seo; Hyunsoo Park; Choongwan Koo (Expert Syst. Appl., 2024)

Framework for the automated generation of 2-dimensional architectural drawings from building information models using deep learning. - Sohyun Kim; Changsoon Choi; Kwangbok Jeong; Jaewook Lee; TaeHoon Hong; Choongwan Koo; Jongback An (Expert Syst. Appl., 2025)